Lab Companion™ TH-CR-270 CLean Temperature & Humidity Test Chamber 270L, 230v

Product no.: AAH83011K

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TH-CR-270 CLean Temperature & Humidity Test Chamber 270L, Class 100, Floor model, 230v


Specially designed for processes requiring clean and controlled environmental test conditions.

(ISO class 5 air cleanliness as per ISO 14644-1)


Model (TH-CR) Floor model TH-CR-270

Chamber volume (L / cu ft)

270 / 9.5


Programmable, Touch screen-type controller (5.7” color monitor)
Local controller (fixed-command control)


Range (℃ / ℉)

-35 to 100 / -31 to 212 without humidity
20 to 85 / 104 to 185 with humidity

Fluctuation 1) (±℃ / ℉) at 40℃ / 60%RH

0.5 / 0.9

Variation 1) (±℃ / ℉) at 40℃ / 60%RH

0.5 / 0.9


Heating - without humidity (min.)

60 from -35℃ to 120℃ (-31℉ to 248℉)

Cooling - without humidity (min.)

65 from 20℃ to -35℃ (68℉ to -31℉)


Range (%RH)

30 to 90
※ See page 234 for a more detailed humidity range check.

Fluctuation 1) (±%RH) at 60%RH / 40℃


Variation 1) (±%RH) at 60%RH / 40℃



Class 100 (ISO 14644-1)



Mechanical single stage refrigerator system (air-cooled condenser)



Water supply


15L (0.53cu ft) - Cartridge type

Water quality

pH6.2 to 7.2 / Electrical conductivity 20㎲ /cm to below

No. of wire shelves (standard / max.)

2 / 10

Distance of between shelves (mm / inch)

40 /1.6

Max. load per shelf (kg / lbs)

25 / 55.1

Permitted total load (kg / lbs)

65 / 143.3

Dimension (W×D×H)

Interior (mm / inch)

600×700×648 / 23.6×27.6×25.4

Exterior (mm / inch)

1180×1120×1935 / 46.5×44.1×76.2

Viewing windows (mm / inch)

200×330 / 7.9×13

Net weight (kg / lbs)

400±10 / 881.8±22

Cable port

Basically one hole provided / Ø 50mm (2”)
Optionally max. two holes available / Ø 50 or 80mm (2 or 3.2”)

Interface port

Basically RS-232C [RS-485-optional]

Electrical requirements (230V, 1ph) 60Hz / 29A 50Hz / 29A
Cat. No. AAH83011K AAH83012K
Electrical requirements (380V, 3ph) 50Hz / 9.6A
Cat. No. AAH83018K
Warranty (Years) 2

1) Technical data according to DIN 12880, and IEC 60068.

※ Permissible environmental conditions: temperature (18 to 30℃) and relative humidity (up to 85%).
※ All specifications are under ambient temperature 20℃ (68℉), No load.
Upon request, other sizes of chambers are available. Please contact us.




  • Microprocessor PID control / Temperature calibration / Automatic tuning.
  • The exhaust duct is located at the upper right side of the unit to avoid influencing other devices.
  • Built-in differential pressure gauge for easy observation of HEPA filter condition.


  • Silicone-free construction for a clean environment.
  • Corrosion resistance stainless steel chamber.
  • Maintenance of the water supply is easily performed with a front water tank.
    - Water level check indicated by water level bar in the tank.
  • Water supply during operation is also available for long-term test purposes.
  • The direct water system provides users great convenience when performing long-term tests (option).
  • Clear observation of samples.
    - Tempered glass window with wire heater and lighting provides a clear view of samples in the chamber, beneficial for testing.
    - Inner glass door with entry ports for handling samples without affecting inner chamber temperature and humidity (option).
  • Cable port for introduction of external probes or wires.
    - 50mm diameter cable port comes standard on the left side of the unit.
    - Additional 50mm or 80mm diameter cable ports, custom ordered (option).
  • Casters for easy mobility during installation or relocation.
  • User-friendly LCD controller.
    -5.7 inch colorful interactive touch type LCD controller.
    - Set value and present value are clearly visible together on display.
    - Operating progress visible in graph mode allow for direct data interpretation.
    - Temperature and other operating parameters recorded with the use of a selectable recorder (option).
    - Sufficient programmable control support.
    - Programming operation.



    Description TH-CR
    Programmable pattern capacity 120
    pattern repeat time 999
    Max. Segments per a pattern 100
    Available max. segments* 1200
    Programmable process time per a segment 0 to 99 hr. 59 min.

    * Even though the max. segments per pattern are 100, and available total segments are up to 1200, not 12000, so you need to arrange the number of segments and patterns properly.


  • Computer interface.
    - RS-485 communication port enables connection of up to maximum 9 units. Simultaneous monitoring and operating of multiple units is an available feature (option).
    - Program patterns are simple to set with the use of our software.
    - Storage of program information, backup of value settings, recovery, temperature, and humidity values.
    - RS-232 communication port comes standard

Safety Features

  • Automatic shut off after overheat alarm.
  • Low and empty water level alarm.
  • Power supply leakage breaker.
  • Over current protection.
  • Open door alarm.


Accessory Check List
Description Models
Recorder (6 points) o o o o o o
Recorder (digital, 6 channels) o o o o o o
interface converter RS-485C → 232C included a cable (5m / 16.4ft) o o o o o o
Interface cable (5m / 16.4ft) o o o o o o
Warning signal lamp o o o o o o
Inner glass door o o o o o -
Viewing window s s s s - s
Wire shelf s s s s s s
Perforated shelf o o o o o o
Cable port (Ø 50mm / 2”) s s s s s s
Cable port (Ø 80mm / 3.2”) o o o o o o
Temperature sensor (RTD type) s s s s s s
Humidity sensor s s s s s s
Fluorescent lamp (Cool White) - - - - s -
UVA lamp - - - - s -
UV sensor - - - - s -
Illumination Sensor - - - - s -
HEPA filter - - - - - s
ULPA filter - - - - - o
Water cartridge tank (Water Container) s s s s - s
Water purifier o o o o o o
Direct water system o o o o o o

O=Option, S=Standard, 1) 80mm cable access hole is NOT available for the 25L chamber.


Optional Accessories
Cat. No. Description Suitable for
AAA8T500 Recorder (6 points) All models
AAA8T505 Recorder (digital, 6 channels) All models
AAA8T540 interface converter RS-485C →
232C included a cable (5m / 16.4ft)
All models
AAA8T542 Interface cable (5m / 16.4ft) All models
AAA80550 Warning signal lamp All models
AAA81552 Inner glass door TH-G/I/KH-180
AAA81551 TH-G/I/KH-300, 408, CR-270
AAA81550 TH-G-800, 1000
AAAC2501 TH-TG-180
AAAC2502 TH-TG-300, 408
AAAC2503 TH-TG-800, 1000
AAA81554 TH-ICH-300
AAA81555 TH-ICH-800
AAA8T610 Cable port (Ø 50mm / 2”) All models
AAA8T611 Cable port (Ø 80mm / 3.2”) All models
CFA1185 Temperature sensor (RTD type) All models
CFA7113 Humidity sensor All models
RTD1190 Fluorescent lamp (cool white) TH-ICH-300
RTD1191 TH-ICH-800
RTD1188 UVA lamp TH-ICH-300
RTD1189 TH-ICH-800
AAA80680 THE-680 UV sensor TH-ICH-300/800
AAA80681 THE-681 Illumination sensor TH-ICH-300/800
AAA80661 Door lock device TH-ICH-300/800
EDA9184 HEPA filter TH-CR-270
EDA9175 ULPA filter TH-CR-270
AAA80622 Water cartridge tank All models
STT1040 Wire Shelf w/ 4 brackets TH-CR-270
AAA80603-1 Perforated Shelf TH-CR-270


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